Lines
Polygons
Angles
Vocabulary
Mountain Math
100
A line consisting of one endpoint and will continue on forever in one direction.
What is a ray.
100
A polygon with all sides and all angles equal is called a _______________.
What is a regular polygon.
100
An angle whose measure is less than 90 degrees.
What is an acute angle.
100
A line such that if a shape is folded over this line the two halves of the shape match exactly.
What is a line of symmetry.
100
-27 + -13
What is -40.
200
Two lines that never intersect.
What is parallel lines.
200
This polygon's interior angles always add up to 180 degrees.
What is a triangle.
200
Two angles whose measurement adds up to 180 degrees.
What is supplementary angles.
200
Any polygon with four sides.
What is a quadrilateral.
200
1,256,151 rounded to the nearest 10 thousand.
What is 1,260,000.
300
True/False. A circle is a polygon. Explain.
What is False. Polygons do not have curved lines.
300
A quadrilateral's interior angles always add up to ________.
What is 360 degrees.
300
A quadrilateral with at least one pair of opposite sides parallel.
What is a trapezoid.
300
5/6 divided by 1/3.
What is 15/6 or 2 1/2.
400
A line with two endpoints.
What is a line segment.
400
A heptagon has how many sides?
What is 7.
400
The interior angle sum of a decagon.
What is 1440 degrees.
400
A triangle with all three sides the same length.
What is an equilateral triangle.
400
12 2/3 + 7 5/6 (mixed numbers).
What is 20 5/6.
500
Two intersecting lines that form 90 degree angles.
What is perpendicular lines.
500
True/False. A square is a type of rectangle.
What is True.
500
The measure of an interior angle of a polygon measures 63 degrees. The exterior angle measurement would be _______________. How do you know?
What is 117 degrees. An interior angle plus an exterior angle always adds up to 180 degrees.
500
A line that intersects two or more lines. Often this line "cuts" throught two parallel lines.
What is a transversal.
500
The prime factorization of the number 42.
What is 2 X 3 X 7
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